tinyos 仿真中要用到的一个工具graphviz，
它是用dot写的，GV在linnux下面是个很好的画图工具。-TinyOS simulation as a tool to use to graphviz, it is dot wrote, GV in linnux The following is a good drawing tool.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001158s ]
SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.082016s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001119s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001287s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001045s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003287s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000971s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004018s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015746s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001316s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 150918 [ RunTime:0.011129s ]
